FibroLAN Falcon-RX/812/G/A User Manual page 49

Falcon R-Class | User Guide
Ingress Filtering
Ingress Acceptance
Egress Tagging
Allowed VLANs
Forbidden VLANs
4.6.1.2 VLAN Membership Status and VLAN Name configuration for Combined
users
This section provides an overview of membership status of VLAN users and configure VLAN name.
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gets classified to the Port VLAN. If frames must be tagged on egress, they
will be tagged with the custom S-tag.
Hybrid ports allow for changing ingress filtering. Access and Trunk ports
always have ingress filtering enabled. If ingress filtering is enabled
(checkbox is checked), frames classified to a VLAN that the port is not a
member of get discarded. If ingress filtering is disabled, frames classified
to a VLAN that the port is not a member of are accepted and forwarded
to the switch engine. However, the port will never transmit frames
classified to VLANs that it is not a member of.
Hybrid ports allow for changing the type of frames that are accepted on
ingress.
•
Tagged and Untagged- Both tagged and untagged frames are
accepted.
•
Tagged Only- Only tagged frames are accepted on ingress. Untagged
frames are discarded
•
Untagged Only- Only untagged frames are accepted on ingress.
Tagged frames are discarded.
Ports in Trunk and Hybrid mode may control the tagging of frames on
egress.
•
Untag Port VLAN- Frames classified to the Port VLAN are transmitted
untagged. Other frames are transmitted with the relevant tag.
•
Tag All- All frames, whether classified to the Port VLAN or not, are
transmitted with a tag.
•
Untag All- All frames, whether classified to the Port VLAN or not, are
transmitted without a tag. This option is only available for ports in
Hybrid mode.
Ports in Trunk and Hybrid mode may control which VLANs they are
allowed to become members of. Access ports can only be member of one
VLAN, the Access VLAN.
The field's syntax is identical to the syntax used in the Enabled VLANs field.
By default, a Trunk or Hybrid port will become member of all VLANs and
is therefore set to 1-4095.
The field may be left empty, which means that the port will not become
member of any VLANs.
A port may be configured to never be member of one or more VLANs. This
is particularly useful when dynamic VLAN protocols like MVRP and GVRP
must be prevented from dynamically adding ports to VLANs.
The trick is to mark such VLANs as forbidden on the port in question. The
syntax is identical to the syntax used in the Enabled VLANs field.
By default, the field is left blank, which means that the port may become
a member of all possible VLANs.
.